Ever wondered what you would've looked like as an early human? Well now's your chance to find out with The Open University's Devolve Me app...
Simply upload your photo and see yourself travel back through the evolutionary timeline. As well as offering you a glimpse of how you would've looked at key points in man's evolution, you can also see yourself hurtle back through history using our handy slider. Click 'Change Stage' to try a different evolutionary stage.
When you've done, why not share the result with your friends? Be prepared for amazement and amusement in equal measure!
If you haven't got a photo handy, you can use one of ours by clicking the 'Need Photo?' button... while it's not an exact science, it's a lot of fun.
Find out more about studying courses such as 'Darwin and Evolution'
and 'Exploring Science' at The Open University -